/* * Copyright (c) 2008-2011 Atheros Communications Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef ATH9K_H #define ATH9K_H #include <linux/etherdevice.h> #include <linux/device.h> #include <linux/interrupt.h> #include <linux/kstrtox.h> #include <linux/leds.h> #include <linux/completion.h> #include <linux/time.h> #include <linux/hw_random.h> #include "common.h" #include "debug.h" #include "mci.h" #include "dfs.h" struct ath_node; struct ath_vif; extern struct ieee80211_ops ath9k_ops; extern int ath9k_modparam_nohwcrypt; extern int ath9k_led_blink; extern bool is_ath9k_unloaded; extern int ath9k_use_chanctx; extern int ath9k_use_msi; /*************************/ /* Descriptor Management */ /*************************/ #define ATH_TXSTATUS_RING_SIZE … /* Macro to expand scalars to 64-bit objects */ #define ito64(x) … #define ATH_TXBUF_RESET(_bf) … #define DS2PHYS(_dd, _ds) … #define ATH_DESC_4KB_BOUND_CHECK(_daddr) … #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) … struct ath_descdma { … }; int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, struct list_head *head, const char *name, int nbuf, int ndesc, bool is_tx); /***********/ /* RX / TX */ /***********/ #define ATH_TXQ_SETUP(sc, i) … /* increment with wrap-around */ #define INCR(_l, _sz) … #define ATH_RXBUF … #define ATH_TXBUF … #define ATH_TXBUF_RESERVE … #define ATH_TXMAXTRY … #define ATH_MAX_SW_RETRIES … #define TID_TO_WME_AC(_tid) … #define ATH_AGGR_DELIM_SZ … #define ATH_AGGR_MINPLEN … /* number of delimiters for encryption padding */ #define ATH_AGGR_ENCRYPTDELIM … /* minimum h/w qdepth to be sustained to maximize aggregation */ #define ATH_AGGR_MIN_QDEPTH … /* minimum h/w qdepth for non-aggregated traffic */ #define ATH_NON_AGGR_MIN_QDEPTH … #define ATH_HW_CHECK_POLL_INT … #define ATH_TXFIFO_DEPTH … #define ATH_TX_ERROR … /* Stop tx traffic 1ms before the GO goes away */ #define ATH_P2P_PS_STOP_TIME … #define IEEE80211_SEQ_SEQ_SHIFT … #define IEEE80211_SEQ_MAX … #define IEEE80211_WEP_IVLEN … #define IEEE80211_WEP_KIDLEN … #define IEEE80211_WEP_CRCLEN … #define IEEE80211_MAX_MPDU_LEN … /* return whether a bit at index _n in bitmap _bm is set * _sz is the size of the bitmap */ #define ATH_BA_ISSET(_bm, _n) … /* return block-ack bitmap index given sequence and starting sequence */ #define ATH_BA_INDEX(_st, _seq) … /* return the seqno for _start + _offset */ #define ATH_BA_INDEX2SEQ(_seq, _offset) … /* returns delimiter padding required given the packet length */ #define ATH_AGGR_GET_NDELIM(_len) … #define BAW_WITHIN(_start, _bawsz, _seqno) … #define ATH_AN_2_TID(_an, _tidno) … #define IS_HT_RATE(rate) … #define IS_CCK_RATE(rate) … #define IS_OFDM_RATE(rate) … enum { … }; struct ath_txq { … }; struct ath_frame_info { … }; struct ath_rxbuf { … }; /** * enum buffer_type - Buffer type flags * * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) * @BUF_AGGR: Indicates whether the buffer can be aggregated * (used in aggregation scheduling) */ enum buffer_type { … }; #define bf_isampdu(bf) … #define bf_isaggr(bf) … struct ath_buf_state { … }; struct ath_buf { … }; struct ath_atx_tid { … }; void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid); struct ath_node { … }; struct ath_tx_control { … }; /** * @txq_map: Index is mac80211 queue number. This is * not necessarily the same as the hardware queue number * (axq_qnum). */ struct ath_tx { … }; struct ath_rx_edma { … }; struct ath_rx { … }; /*******************/ /* Channel Context */ /*******************/ struct ath_acq { … }; struct ath_chanctx { … }; enum ath_chanctx_event { … }; enum ath_chanctx_state { … }; struct ath_chanctx_sched { … }; enum ath_offchannel_state { … }; enum ath_roc_complete_reason { … }; struct ath_offchannel { … }; static inline struct ath_atx_tid * ath_node_to_tid(struct ath_node *an, u8 tidno) { … } #define case_rtn_string(val) … #define ath_for_each_chanctx(_sc, _ctx) … void ath_chanctx_init(struct ath_softc *sc); void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx, struct cfg80211_chan_def *chandef); #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT static inline struct ath_chanctx * ath_chanctx_get(struct ieee80211_chanctx_conf *ctx) { … } bool ath9k_is_chanctx_enabled(void); void ath9k_fill_chanctx_ops(void); void ath9k_init_channel_context(struct ath_softc *sc); void ath9k_offchannel_init(struct ath_softc *sc); void ath9k_deinit_channel_context(struct ath_softc *sc); int ath9k_init_p2p(struct ath_softc *sc); void ath9k_deinit_p2p(struct ath_softc *sc); void ath9k_p2p_remove_vif(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_p2p_beacon_sync(struct ath_softc *sc); void ath9k_p2p_bss_info_changed(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, struct sk_buff *skb); void ath9k_p2p_ps_timer(void *priv); void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx); void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx); void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx); void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, enum ath_chanctx_event ev); void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, enum ath_chanctx_event ev); void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, enum ath_chanctx_event ev); void ath_chanctx_set_next(struct ath_softc *sc, bool force); void ath_offchannel_next(struct ath_softc *sc); void ath_scan_complete(struct ath_softc *sc, bool abort); void ath_roc_complete(struct ath_softc *sc, enum ath_roc_complete_reason reason); struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc); #else static inline bool ath9k_is_chanctx_enabled(void) { return false; } static inline void ath9k_fill_chanctx_ops(void) { } static inline void ath9k_init_channel_context(struct ath_softc *sc) { } static inline void ath9k_offchannel_init(struct ath_softc *sc) { } static inline void ath9k_deinit_channel_context(struct ath_softc *sc) { } static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, enum ath_chanctx_event ev) { } static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, enum ath_chanctx_event ev) { } static inline void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, enum ath_chanctx_event ev) { } static inline int ath9k_init_p2p(struct ath_softc *sc) { return 0; } static inline void ath9k_deinit_p2p(struct ath_softc *sc) { } static inline void ath9k_p2p_remove_vif(struct ath_softc *sc, struct ieee80211_vif *vif) { } static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc) { } static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc, struct ieee80211_vif *vif) { } static inline void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, struct sk_buff *skb) { } static inline void ath9k_p2p_ps_timer(struct ath_softc *sc) { } static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx) { } static inline void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx) { } static inline void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx) { } #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */ static inline void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq) { … } static inline void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq) { … } void ath_startrecv(struct ath_softc *sc); bool ath_stoprecv(struct ath_softc *sc); u32 ath_calcrxfilter(struct ath_softc *sc); int ath_rx_init(struct ath_softc *sc, int nbufs); void ath_rx_cleanup(struct ath_softc *sc); int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq); void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); bool ath_drain_all_txq(struct ath_softc *sc); void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq); void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); void ath_txq_schedule_all(struct ath_softc *sc); int ath_tx_init(struct ath_softc *sc, int nbufs); int ath_txq_update(struct ath_softc *sc, int qnum, struct ath9k_tx_queue_info *q); u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen, int width, int half_gi, bool shortPreamble); void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop); void ath_assign_seq(struct ath_common *common, struct sk_buff *skb); int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, struct ath_tx_control *txctl); void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct sk_buff *skb); void ath_tx_tasklet(struct ath_softc *sc); void ath_tx_edma_tasklet(struct ath_softc *sc); int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn); void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an); void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, struct ath_node *an); void ath9k_release_buffered_frames(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u16 tids, int nframes, enum ieee80211_frame_release_type reason, bool more_data); void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue); /********/ /* VIFs */ /********/ #define P2P_DEFAULT_CTWIN … struct ath_vif { … }; struct ath9k_vif_iter_data { … }; void ath9k_calculate_iter_data(struct ath_softc *sc, struct ath_chanctx *ctx, struct ath9k_vif_iter_data *iter_data); void ath9k_calculate_summary_state(struct ath_softc *sc, struct ath_chanctx *ctx); void ath9k_set_txpower(struct ath_softc *sc, struct ieee80211_vif *vif); /*******************/ /* Beacon Handling */ /*******************/ /* * Regardless of the number of beacons we stagger, (i.e. regardless of the * number of BSSIDs) if a given beacon does not go out even after waiting this * number of beacon intervals, the game's up. */ #define BSTUCK_THRESH … #define ATH_BCBUF … #define ATH_DEFAULT_BINTVAL … #define ATH_DEFAULT_BMISS_LIMIT … #define TSF_TO_TU(_h,_l) … struct ath_beacon { … }; void ath9k_beacon_tasklet(struct tasklet_struct *t); void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif, bool beacons); void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc); void ath9k_set_beacon(struct ath_softc *sc); bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_csa_update(struct ath_softc *sc); /*******************/ /* Link Monitoring */ /*******************/ #define ATH_STA_SHORT_CALINTERVAL … #define ATH_AP_SHORT_CALINTERVAL … #define ATH_ANI_POLLINTERVAL_OLD … #define ATH_ANI_POLLINTERVAL_NEW … #define ATH_LONG_CALINTERVAL_INT … #define ATH_LONG_CALINTERVAL … #define ATH_RESTART_CALINTERVAL … #define ATH_ANI_MAX_SKIP_COUNT … #define ATH_PAPRD_TIMEOUT … #define ATH_PLL_WORK_INTERVAL … void ath_hw_check_work(struct work_struct *work); void ath_reset_work(struct work_struct *work); bool ath_hw_check(struct ath_softc *sc); void ath_hw_pll_work(struct work_struct *work); void ath_paprd_calibrate(struct work_struct *work); void ath_ani_calibrate(struct timer_list *t); void ath_start_ani(struct ath_softc *sc); void ath_stop_ani(struct ath_softc *sc); void ath_check_ani(struct ath_softc *sc); int ath_update_survey_stats(struct ath_softc *sc); void ath_update_survey_nf(struct ath_softc *sc, int channel); void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type); void ath_ps_full_sleep(struct timer_list *t); void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop, bool sw_pending, bool timeout_override); /**********/ /* BTCOEX */ /**********/ #define ATH_DUMP_BTCOEX(_s, _val) … enum bt_op_flags { … }; struct ath_btcoex { … }; #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT int ath9k_init_btcoex(struct ath_softc *sc); void ath9k_deinit_btcoex(struct ath_softc *sc); void ath9k_start_btcoex(struct ath_softc *sc); void ath9k_stop_btcoex(struct ath_softc *sc); void ath9k_btcoex_timer_resume(struct ath_softc *sc); void ath9k_btcoex_timer_pause(struct ath_softc *sc); void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status); u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen); void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc); int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size); #else static inline int ath9k_init_btcoex(struct ath_softc *sc) { return 0; } static inline void ath9k_deinit_btcoex(struct ath_softc *sc) { } static inline void ath9k_start_btcoex(struct ath_softc *sc) { } static inline void ath9k_stop_btcoex(struct ath_softc *sc) { } static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status) { } static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) { return 0; } static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) { } static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) { return 0; } #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ /********************/ /* LED Control */ /********************/ #define ATH_LED_PIN_DEF … #define ATH_LED_PIN_9287 … #define ATH_LED_PIN_9300 … #define ATH_LED_PIN_9485 … #define ATH_LED_PIN_9462 … #ifdef CONFIG_MAC80211_LEDS void ath_init_leds(struct ath_softc *sc); void ath_deinit_leds(struct ath_softc *sc); #else static inline void ath_init_leds(struct ath_softc *sc) { } static inline void ath_deinit_leds(struct ath_softc *sc) { } #endif /************************/ /* Wake on Wireless LAN */ /************************/ #ifdef CONFIG_ATH9K_WOW void ath9k_init_wow(struct ieee80211_hw *hw); void ath9k_deinit_wow(struct ieee80211_hw *hw); int ath9k_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); int ath9k_resume(struct ieee80211_hw *hw); void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled); #else static inline void ath9k_init_wow(struct ieee80211_hw *hw) { } static inline void ath9k_deinit_wow(struct ieee80211_hw *hw) { } static inline int ath9k_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { return 0; } static inline int ath9k_resume(struct ieee80211_hw *hw) { return 0; } static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled) { } #endif /* CONFIG_ATH9K_WOW */ /*******************************/ /* Antenna diversity/combining */ /*******************************/ #define ATH_ANT_RX_CURRENT_SHIFT … #define ATH_ANT_RX_MAIN_SHIFT … #define ATH_ANT_RX_MASK … #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR … #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT … #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT … #define ATH_ANT_DIV_COMB_INIT_COUNT … #define ATH_ANT_DIV_COMB_MAX_COUNT … #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO … #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 … #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI … #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI … #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI … #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID … #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW … struct ath_ant_comb { … }; void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); /********************/ /* Main driver core */ /********************/ #define ATH9K_PCI_CUS198 … #define ATH9K_PCI_CUS230 … #define ATH9K_PCI_CUS217 … #define ATH9K_PCI_CUS252 … #define ATH9K_PCI_WOW … #define ATH9K_PCI_BT_ANT_DIV … #define ATH9K_PCI_D3_L1_WAR … #define ATH9K_PCI_AR9565_1ANT … #define ATH9K_PCI_AR9565_2ANT … #define ATH9K_PCI_NO_PLL_PWRSAVE … #define ATH9K_PCI_KILLER … #define ATH9K_PCI_LED_ACT_HI … /* * Default cache line size, in bytes. * Used when PCI device not fully initialized by bootrom/BIOS */ #define DEFAULT_CACHELINE … #define ATH_CABQ_READY_TIME … #define ATH_TXPOWER_MAX … #define MAX_GTT_CNT … /* Powersave flags */ #define PS_WAIT_FOR_BEACON … #define PS_WAIT_FOR_CAB … #define PS_WAIT_FOR_PSPOLL_DATA … #define PS_WAIT_FOR_TX_ACK … #define PS_BEACON_SYNC … #define PS_WAIT_FOR_ANI … #define ATH9K_NUM_CHANCTX … struct ath_softc { … }; /********/ /* TX99 */ /********/ #ifdef CONFIG_ATH9K_TX99 void ath9k_tx99_init_debug(struct ath_softc *sc); int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb, struct ath_tx_control *txctl); #else static inline void ath9k_tx99_init_debug(struct ath_softc *sc) { } static inline int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb, struct ath_tx_control *txctl) { return 0; } #endif /* CONFIG_ATH9K_TX99 */ /***************************/ /* Random Number Generator */ /***************************/ #ifdef CONFIG_ATH9K_HWRNG void ath9k_rng_start(struct ath_softc *sc); void ath9k_rng_stop(struct ath_softc *sc); #else static inline void ath9k_rng_start(struct ath_softc *sc) { } static inline void ath9k_rng_stop(struct ath_softc *sc) { } #endif static inline void ath_read_cachesize(struct ath_common *common, int *csz) { … } void ath9k_tasklet(struct tasklet_struct *t); int ath_cabq_update(struct ath_softc *); u8 ath9k_parse_mpdudensity(u8 mpdudensity); irqreturn_t ath_isr(int irq, void *dev); int ath_reset(struct ath_softc *sc, struct ath9k_channel *hchan); void ath_cancel_work(struct ath_softc *sc); void ath_restart_work(struct ath_softc *sc); int ath9k_init_device(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops); void ath9k_deinit_device(struct ath_softc *sc); u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); void ath_start_rfkill_poll(struct ath_softc *sc); void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); void ath9k_ps_wakeup(struct ath_softc *sc); void ath9k_ps_restore(struct ath_softc *sc); #ifdef CONFIG_ATH9K_PCI int ath_pci_init(void); void ath_pci_exit(void); #else static inline int ath_pci_init(void) { return 0; }; static inline void ath_pci_exit(void) {}; #endif #ifdef CONFIG_ATH9K_AHB int ath_ahb_init(void); void ath_ahb_exit(void); #else static inline int ath_ahb_init(void) { return 0; }; static inline void ath_ahb_exit(void) {}; #endif #endif /* ATH9K_H */
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